public Generator.Translation.Data.Translator ParseTranslator(IEnumerator <Generator.Translation.Data.Token> tokens)
{
Generator.Translation.Data.Translator node = new Generator.Translation.Data.Translator()
{
Name = "Translator"
};
switch (tokens.Current.Name)
{
case "goto":
case "<=>":
case "</>":
case "[":
case "symbol":
case "escapedSymbol":
case "newline":
case "eof":
node.Add(ParseSystems(tokens));
node.Add(ParseRules(tokens));
node.Add(ParseTerminal(tokens, "eof"));
return(node);
default:
throw new UnexpectedTokenException(tokens.Current);
}
}
static void Main(string[] args)
{
IClassGenerator classGenerator = new ClassGenerator();
IBNFAnalyzer bnfAnalyzer = new BNFAnalyzer();
IBNFParser bnfParser = new BNFParser();
IParserGenerator parserGenerator = new ParserGenerator(bnfAnalyzer);
#if GENERATEGENERATOR
Console.WriteLine("Generating generator...");
BNF bnf = bnfParser.Parse("../../docs/translator.bnf");
string translatorParserName = "TranslatorParser";
string translatorVisitorName = "TranslatorVisitor";
string dataNamespace = "Generator.Translation.Data";
string parsingNamespace = "Generator.Translation.Parsing";
string visitorNamespace = "Generator.Translation.Visitors";
ClassType[] translatorParser = parserGenerator.GenerateParserClasses(bnf, translatorParserName, dataNamespace, parsingNamespace);
ClassType[] translatorVisitors = parserGenerator.GenerateVisitorClasses(bnf, translatorVisitorName, dataNamespace, visitorNamespace);
ClassType[] translatorData = parserGenerator.GenerateSyntaxTreeClasses(bnf, translatorVisitorName, dataNamespace, visitorNamespace);
var classTypes = translatorData.Union(translatorVisitors).Union(translatorParser);
foreach (ClassType classType in classTypes)
{
string folder = $"../{string.Join("/", classType.NameSpace.Split('.'))}";
Directory.CreateDirectory(folder);
classGenerator.Generate(classType, $"{folder}/{classType.Identifier.Split('<')[0]}.cs");
}
Console.WriteLine($"...DONE {2 + classTypes.Count()} classes generated.");
#else
ITranslatorGenerator translatorGenerator = new TranslatorGenerator();
Console.WriteLine("Generating compiler...");
Console.WriteLine("\tGenerating parser...");
BNF bnf = bnfParser.Parse("../../docs/tang.bnf");
string programParserName = "ProgramParser";
string programVisitorName = "ProgramVisitor";
string dataNamespace = "Compiler.Parsing.Data";
string parsingNamespace = "Compiler.Parsing";
string visitorNamespace = "Compiler.Parsing.Visitors";
ClassType[] programParserClasses = parserGenerator.GenerateParserClasses(bnf, programParserName, dataNamespace, parsingNamespace);
ClassType[] programVisitors = parserGenerator.GenerateVisitorClasses(bnf, programVisitorName, dataNamespace, visitorNamespace);
ClassType[] programData = parserGenerator.GenerateSyntaxTreeClasses(bnf, programVisitorName, dataNamespace, visitorNamespace);
IEnumerable <ClassType> classesToGenerate = programData.Union(programVisitors).Union(programParserClasses);
Console.WriteLine("\tGenerating Translators...");
Lexer lexer = new Lexer("../../docs/translator.tokens.json");
try
{
IEnumerator <Translation.Data.Token> tokens = lexer.Analyse(File.ReadAllText("../../docs/tang-ast.translator"), "ast-c.translator").Select(t => new Translation.Data.Token()
{
FileName = "tang-ast.translator",
Name = t.Name,
Value = t.Value,
Row = t.Row,
Column = t.Column
}).GetEnumerator();
tokens.MoveNext();
IEnumerator <Translation.Data.Token> toCTranslatorTokens = lexer.Analyse(File.ReadAllText("../../docs/ast-c.translator"), "ast-c.translator").Select(t => new Translation.Data.Token()
{
FileName = "ast-c.translator",
Name = t.Name,
Value = t.Value,
Row = t.Row,
Column = t.Column
}).GetEnumerator();
toCTranslatorTokens.MoveNext();
TranslatorParser translatorParser = new TranslatorParser();
Translation.Data.Translator astTranslator = translatorParser.ParseTranslator(tokens);
Translation.Data.Translator cTranslator = translatorParser.ParseTranslator(toCTranslatorTokens);
string translatorName = "ProgramToASTTranslator";
string translatorNamespace = "Compiler.Translation.ProgramToAST";
string cTranslatorName = "ASTToCTranslator";
string cTranslatorNamespace = "Compiler.Translation.ASTToC";
string symbolTableDataNamspace = "Compiler.Translation.SymbolTable.Data";
string symbolTableVisitorNamspace = "Compiler.Translation.SymbolTable.Visitors";
string symbolTableVisitorName = "SymbolTableVisitor";
string astDataNamspace = "Compiler.AST.Data";
string astVisitorNamespace = "Compiler.AST.Visitors";
string astVisitorName = "ASTVisitor";
string cDataNamspace = "Compiler.C.Data";
string cVisitorNamespace = "Compiler.C.Visitors";
string cVisitorName = "CVisitor";
BNF cGrammar = bnfParser.Parse("../../docs/c.bnf");
BNF astGrammar = bnfParser.Parse("../../docs/ast.bnf");
BNF symbolTableGrammar = bnfParser.Parse("../../docs/symboltable.bnf");
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateVisitorClasses(symbolTableGrammar, symbolTableVisitorName, symbolTableDataNamspace, symbolTableVisitorNamspace));
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateSyntaxTreeClasses(symbolTableGrammar, symbolTableVisitorName, symbolTableDataNamspace, symbolTableVisitorNamspace));
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateVisitorClasses(astGrammar, astVisitorName, astDataNamspace, astVisitorNamespace));
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateSyntaxTreeClasses(astGrammar, astVisitorName, astDataNamspace, astVisitorNamespace));
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateVisitorClasses(cGrammar, cVisitorName, cDataNamspace, cVisitorNamespace));
classesToGenerate = classesToGenerate.Union(parserGenerator.GenerateSyntaxTreeClasses(cGrammar, cVisitorName, cDataNamspace, cVisitorNamespace));
List <RelationDomain> relationDomains = new List <RelationDomain>()
{
new RelationDomain()
{
Identifier = "Program", Grammar = bnf, DataNamespace = dataNamespace, VisitorNamespace = visitorNamespace
},
new RelationDomain()
{
Identifier = "AST", Grammar = astGrammar, DataNamespace = astDataNamspace, VisitorNamespace = astVisitorNamespace
},
new RelationDomain()
{
Identifier = "SymbolTable", Grammar = symbolTableGrammar, DataNamespace = symbolTableDataNamspace, VisitorNamespace = symbolTableVisitorNamspace
},
};
ClassType toASTTranslator = translatorGenerator.GenerateTranslatorClass(astTranslator, translatorName, relationDomains, translatorNamespace);
classesToGenerate = classesToGenerate.Append(toASTTranslator);
List <RelationDomain> cRelationDomains = new List <RelationDomain>()
{
new RelationDomain()
{
Identifier = "AST", Grammar = astGrammar, DataNamespace = astDataNamspace, VisitorNamespace = astVisitorNamespace
},
new RelationDomain()
{
Identifier = "C", Grammar = cGrammar, DataNamespace = cDataNamspace, VisitorNamespace = cVisitorNamespace
},
};
ClassType toCTranslator = translatorGenerator.GenerateTranslatorClass(cTranslator, cTranslatorName, cRelationDomains, cTranslatorNamespace);
classesToGenerate = classesToGenerate.Append(toCTranslator);
foreach (ClassType classType in classesToGenerate)
{
string folder = $"../{string.Join("/", classType.NameSpace.Split('.'))}";
Directory.CreateDirectory(folder);
classGenerator.Generate(classType, $"{folder}/{classType.Identifier.Split('<')[0]}.cs");
}
Console.WriteLine($"...Done {classesToGenerate.Count()} classes generated. Approximately {classesToGenerate.Sum(c => c.Methods.Sum(m => m.Body.Count + 3) + c.Usings.Count + c.Fields.Count)} lines of code. Thank You.");
}
catch (LexicalException exception)
{
Console.WriteLine($"Unexpected symbol near {exception.Symbol} in {exception.FileName} line {exception.Row + 1} column {exception.Column + 1}.");
}
catch (UnexpectedTokenException exception)
{
if (exception.Token.Name == exception.Token.Value)
{
if (exception.Token.FileName != null)
{
Console.WriteLine($"Unexpected '{exception.Token.Name}' in {exception.Token.FileName} line {exception.Token.Row + 1} column {exception.Token.Column + 1}.");
}
else
{
Console.WriteLine($"Unexpected '{exception.Token.Name}' at line {exception.Token.Row + 1} column {exception.Token.Column + 1}.");
}
}
else
{
Console.WriteLine($"Unexpected {exception.Token.Name} '{exception.Token.Value}' in {exception.Token.FileName} line {exception.Token.Row + 1} column {exception.Token.Column + 1}.");
}
}
#endif
}